S-95878A340 5/8"-11 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through center lock distorted thread technology that maintains clamping force under extreme conditions
• Exceptional corrosion resistance with 316 stainless steel construction for demanding industrial environments
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
• Industry-standard compatibility with UNC coarse threading (5/8"-11) for broad application across equipment and machinery
• Secure installation using standard external hex drive for common wrenching tools
• Environmental compliance meeting RoHS 3 and REACH standards for safe industrial use
• Durable heavy-duty design with standard hex profile (15/16" width, 35/64" height) for long service life

Professional Applications & Engineering Value

This 316 stainless steel locknut delivers critical performance where vibration-induced loosening threatens equipment reliability. The center lock distorted thread technology creates consistent interference along the UNC coarse thread path, maintaining preload in high-vibration environments like heavy machinery, transportation equipment, and processing systems. The Class 2B thread fit provides optimal clearance for efficient assembly while ensuring secure fastening. Manufactured from corrosion-resistant 316 stainless steel, this external hex locknut withstands harsh conditions including chemical exposure and marine environments, making it ideal for industrial applications requiring both vibration resistance and environmental durability.

Specification Summary & Compliance

This locknut features 5/8"-11 UNC coarse threading with Class 2B thread fit for standard industrial applications. The right-hand thread direction and external hex drive (15/16" width, 35/64" height) provide compatibility with common installation tools. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use across regulated industries.